Does every discussion on hiring need to turn into discussion about 'ageism' ? "I want to say that I can’t stress enough that hiring based on your current techn

Does every discussion on hiring need to turn into discussion about 'ageism' ? "I want to say that I can’t stress enough that hiring based on your current technology stack or domain is extremely wrong" "This is especially useful when you are hiring junior developers. You are not looking for hard practical skills, instead you are looking for the potential." Clearly he is talking about keyword based hiring